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Noun undulation has 3 senses
  1. wave, undulation - an undulating curve
    --1 is a kind of curve, curved shape
    --1 has particulars: sine curve, sinusoid
  2. undulation - wave-like motion; a gentle rising and falling in the manner of waves
    --2 is a kind of     movement, motion
    Derived form: verb undulate3
  3. wave, undulation - (physics) a movement up and down or back and forth
    --3 is a kind of movement, motion
    --3 has particulars:
     gravity wave, gravitation wave; sine wave; oscillation, vibration; fluctuation; seiche; standing wave, stationary wave; traveling wave; sound wave, acoustic wave; wave form, waveform, wave shape; shock wave, blast wave; pulsation, pulsing, pulse, impulse; flap, flapping, flutter, fluttering
    Derived form: verb undulate3
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